US11164A - Geobge w - Google Patents

Description

GEORGE w. LA BAW, or JERSEY crrr, NEW JERSEY.`

` iviITER-iviAcHrNE.

^ speeiiieation of Letters rstenptivainica, dated Jane 27, i854.

`To all 'whom t may concern: l

`1Be it known.` that I, GEORGE lVIiaBAw, of Jersey City,vin the county of Hudson, State of `N ew Jersey, have invent-ed a new and original combination-namely a Tenn plet `or Tool for Cutting Miters; and I do hereby declare that the'following is a full,

clear, and exact description thereof, reference being liadto the accompanying draw ings and letters of reference marked thereon.

In Figure I, A, is the stock or bed-piece of the tool or machines that is, the piece to which the other parts are attached; andinA reference to which they act.

It is made of wood, iron or other suitable material. undersurface is made with themost caution as it is the main plane of referenceand use in cutting by theymachine `or tool.` B, B, are guides or stops, that hold or guide'tlie holding of the templet or miter,` while it is being used. Y The guides B, B,may be` fixed ofusing the templet or miter;-that is,said

and stationary `as represented in the drawings, or they may be so made as to adjust y the chiseled edge to an angle more or less than a right angle; or `may be otherwise varied in their position to give greater facility right angle meaning the placing the line of the edge ofthe chisel at right angles to ,the longitudinal axis of the material to be cut. C, is the segment, or portion of a circle;

` made of metal or `other suitable material and marked with degrees varying from nothing to ninety or ,more degrees; or it may be without marks, the operator using y the templet, making his own marks or o-theri wise` determining the angle at which lie `wishes `the chisel to cut. The object of O- the 'segment-is to set the pitch or angle of the chisel.. In `the drawings it is represent-` ed` (Fig. 1,) as having a slot C, a, :0, and a set screw D, in said slot so that the frame i of the chisel may be fixed.

E, holding the chisel `may be `placed and fastened by the set screw, D, at any point in the slot; and thus the direction and angle The center of 3 the segment, and the pointof the angle by which the frame E, and the chisel G, is fixed, is at C, a, E, is the frame that holds and guides the chisel G. It is made of any strong and "durable material. J, J, are grooved or slotted guides at the lower` eX- tremity ofthe frame, and hold the chisel in theframe. The points C, a, and C, a, a, are the hinges on which the frame turns. The frame incloses the chisel on `three sides and has a round holeatfK, which receives the handle ofthe chisel, said hole withthe .chisel handle further fguiding thel chisel, while cutting. H, is aspring on the chisel handle to retract the chisel, and .the force ofthe spring is regulated by the set screw I, .p

which `moves ont the thread cut on the handle. F, is a knob to receive the blowof or force to the Ichisel.` As equivalents `I dethe chisel or othermode of applying powery scribe any wood,iiron,fbrass or other frame f1.,

whetherinadewvith the exact slotted guides st-antially the same; or `any apparatus of J, J or not, and whether there be a hole at i fK in the frame or not.v Any frame sub-` mechanical means` producing the same end. i

As to angle, I describe as equivalents a chisel xed at any one angle without the segment C and the setscrew D. That is that `virtually makes a tool or machine cutting a miter of any arc; or of more than one angle. So lof the slot C, a, as', and the handle;

and the knob; while I describe them, I de` so knowing and expressing the fact, that, some or. all. may be varied, and some may be omitted altogether. At K, in the `frame E, is a circular hole through which a por!I tion of the chisel handle slides, when the f chisel cuts. The united action of the guide pieces J, J and the frame for the chisel, E,

and thesliding of the rounded handle of the chisel through the hole at K, is to cause the chisel to move on a plane; and said `plane is one side `of an angle between two planes meeting at t-he center CML; while the other side of the angle is the medium plane of the bed piece or stock described.

`In Fig. II, A, is. an anterior view of the chisel, represented `as out of its frame and separated from the stock,` and B, is a lateral I View of the same, showing that the chisel is 2 represented as a` thin firmer. I now 'furth'er describe a mortising chisel or any other chisel as` an equivalent thereunto. I-I, is a spring on the chisel handle seen at A and B,

Fig. II. Also the knob is seen, to receive theblow of the mallet, or of the hand or other source of power, that moves the chisel` The elements of the machine or tool are the stockV to hold the templet or miter in its place on the materialto be cut the stop guides, that `help to hold the tool or machine on the material; the segment to regulate and determine the angle or bevel 'cut by the chisel; the chisel to cut the material;

the spring handleto operate the chisel; and

i the frame to guide the chisel. Any one or all; any' portion necessary toproduce the desired result of cutting miters or bevels by an integral hand tool or machine.

The operationA of the templet, bevel or mitering tool or machine, is as follows. I

n take the material to be cut, for example,

1 L a miter boX. Then if the panel of the door is square, that is has right angles at its corners, I set the. chisel by the segment C and the set screw D; holding the frame E, andthe chisel, &c., at an angle of l5 degrees.A Then placngthe stop guides lagainst the molding, I apply power tothe knob F, and thus cut or pare smoothly, and nicely the miter orv bevel, or angle required; producing an accurate and complete fitting of the molding to the panel of the door. So of any other angle or any other kind of Work.

Thus With necessary modiiications, I apply the tool or machine to all the Work it is capable of executing; and thereby secure beauty of finish; as Well as saving of time in the operation.

The combination and arrangement in the manner described; or in any manner equivalent thereunto, o the several specific parts; or their equivalents, of the hereinbefore described miter machine; Without limiting myself to any particular arrangement of parts, for the purpose set lforth. c

Jersey City, April 24th, 1854:.

f v GEOR. XV. LA BAW. Witnesses: 1

IVM. H. JELLIFF, WILLIAM POWELL.

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